immobilize
im.mo.bi.lize \im-'o--b*-.li-z\ vt : to make immobile : as : to prevent freedom of movement or effective use of : to reduce or eliminate motion of (the body or a part) by mechanical me ans or by strict bed rest : to withhold (specie) from circulation to serve as security for other money : to convert (circulating capital) into fixed capital - im.mo.bi.liz.er n